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Crankset Shimano Ultegra FC-R8100 2x12s

Price: $134.70 $449.00

Shimano's ULTEGRA line-up dives into what is ready behind the science of speed with real-world applications. Following in the footsteps of the DURA-ACE design philosophy,...

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Shimano’s ULTEGRA line-up dives into what is ready behind the science of speed with real-world applications.

Following in the footsteps of the DURA-ACE design philosophy, and using many of the same product designs, including the new addition of the 12-speed rear, ULTEGRA is joining the pursuit of next level speed.

SPECIFICATIONS

  • Shifting System: 12-speed
  • Bottom Bracket Axle Profile: 24mm Hollow Shaft
  • Bottom Bracket Case Width: 68mm, 70mm
  • Road – Bolt Circle Diameter: 110mm
  • Chainring Mount: 2-speed
  • Chain Line: 44.5mm
  • Q-Factor: 148mm
  • Material:
    – Crank arms, inner chainring: aluminium (anodised)
    – Outer chainring: aluminium (anodised)
    – Carbon fibre reinforced polymer (CFRP)
    – Axle: steel (plated)
  • Compatibility:
    – Front derailleur: FD-R9250, FD-R8150
    – Bottom bracket: SM-BBR60 (thread type), SM-BB72-41B (Press Fit)
    – Chain: CN-M9100, CN-M8100, CN-M7100, CN-M6100
  • Weight: 700 grams (50-34 teeth) . Approx. 711 grams (52-36 teeth)
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